CN215840901U - Needle seat with inclined threads - Google Patents

Needle seat with inclined threads Download PDF

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Publication number
CN215840901U
CN215840901U CN202121267527.2U CN202121267527U CN215840901U CN 215840901 U CN215840901 U CN 215840901U CN 202121267527 U CN202121267527 U CN 202121267527U CN 215840901 U CN215840901 U CN 215840901U
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CN
China
Prior art keywords
wall
needle
joint
piece
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202121267527.2U
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Chinese (zh)
Inventor
张启瑞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Yijia Medical Devices Co ltd
Original Assignee
Xuzhou Yijia Medical Devices Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuzhou Yijia Medical Devices Co ltd filed Critical Xuzhou Yijia Medical Devices Co ltd
Priority to CN202121267527.2U priority Critical patent/CN215840901U/en
Application granted granted Critical
Publication of CN215840901U publication Critical patent/CN215840901U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The utility model discloses a needle seat with inclined threads, which comprises: the liquid outlet end is matched with the thread of the external luer cone connector more tightly, the operation is more convenient, the problem that when the pipeline needle seat is connected with the external luer cone connector in the existing infusion apparatus, the connection is not in place or gaps are formed in the connection is solved, and meanwhile, when the liquid outlet needle seat is used, the elastic piece on the inner side of the sleeve is contacted with the outer wall of the external luer cone connector by manually pulling down the sleeve, so that the tight connection between the external luer cone connector and the liquid outlet end is ensured, and the liquid leakage phenomenon is effectively prevented.

Description

Needle seat with inclined threads
Technical Field
The utility model relates to the technical field of medical instruments, in particular to a needle seat with inclined threads.
Background
At present, when clinical venous transfusion is carried out in the medical field, a disposable transfusion device is generally adopted, a pipeline needle seat is connected with a luer outer cone connector at the lower part of the transfusion device, and the luer outer cone connector is connected to a PC needle seat during use.
The structure of the transfusion device of the type is used a lot, which is not beneficial to the operation of medical personnel, and aiming at the problems, in order to meet the practicability of convenient operation of the transfusion device, a safe, stable and convenient-to-operate needle stand device is very important in the clinical transfusion process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a needle seat with inclined threads, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a beveled needle hub comprising: luer outer cone connects, outer oblique screw thread, needle file main part and joint shell, needle file main part top integrated into one piece has the feed liquor end, needle file main part bottom integrated into one piece has a liquid end, needle file main part middle part outer wall integrated into one piece has the needle file knob, it has outer oblique screw thread to go out liquid end outer wall integrated into one piece, it has luer outer cone to go out liquid end outer wall through outer oblique screw thread joint, it has the snap ring to go out first outer wall integrated into one piece of liquid end, needle file knob lower half outer wall integrated into one piece has the joint shell, the inside grafting of joint shell has the sleeve, the middle part joint has the shell fragment on the sleeve inner wall.
Preferably, the connection part of the inner wall of the luer outer cylindrical connector and the liquid outlet end is integrally formed with an inner oblique thread, and the inner oblique thread inside the luer outer cylindrical connector is matched with the outer oblique thread.
Preferably, the clamping pins are clamped on the inner wall of the top of the clamping shell.
Preferably, the top of the sleeve is integrally formed with a limiting block, and the center of the top of the limiting block at the top of the sleeve is provided with a pin hole.
Preferably, the outer wall of the needle seat knob and the outer wall of the sleeve are integrally formed with anti-slip lines.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, through the arranged external inclined threads, the needle stand knob and the sleeve, when the inclined thread needle stand is used, the liquid outlet end is matched with the interior of the luer outer cone joint more tightly through the thread matching of the external inclined threads and the luer outer cone joint, and the operation is more convenient and faster, so that the problem that the connection is not in place or a gap is formed when the pipeline needle stand is connected with the luer outer cone joint in the existing infusion apparatus is solved, meanwhile, when the inclined thread needle stand is used, the sleeve is pulled down manually, so that the elastic sheet on the inner side of the sleeve is contacted with the outer wall of the luer outer cone joint, the luer outer cone joint is ensured to be connected with the liquid outlet end tightly, the liquid leakage phenomenon is effectively prevented, and the whole device is simple in structure, convenient to operate, strong in sealing, safe and stable.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall front view structure of the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;
fig. 3 is a schematic sectional view of the overall bottom structure of the present invention.
In the figure: 1-luer external cone joint; 2-liquid outlet end; 3-external oblique threads; 4-a snap ring; 5-needle seat knob; 6-the needle stand main body; 7-liquid inlet end; 8-a spring plate; 9-a sleeve; 10-clamping housing.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1 to 3, a needle seat with inclined threads comprises: the liquid medicine injection device comprises a luer outer conical connector 1, an outer oblique thread 3, a needle seat main body 6 and a clamping shell 10, wherein a liquid inlet end 7 is integrally formed at the top of the needle seat main body 6, the liquid inlet end 7 is used for connecting a liquid inlet pipe, a liquid outlet end 2 is integrally formed at the bottom of the needle seat main body 6, a needle seat knob 5 is integrally formed on the outer wall of the middle part of the needle seat main body 6, an outer oblique thread 3 is integrally formed on the outer wall of the liquid outlet end 2, the problem of uncontrollable quality of a product caused by influences of various conditions such as welding head temperature, adhesive, environment temperature and humidity, heat sealing pressure, heat sealing time, heat sealing speed and the like is avoided through the integral forming, the device is ensured to be more stable, sealed and safe, liquid leakage caused by bonding cracks is avoided, waste of liquid medicine can be effectively prevented, the luer outer conical connector 1 is clamped on the outer wall of the liquid outlet end 2 through the outer oblique thread 3, and connection or disassembly of the luer outer conical connector 1 is facilitated, convenient operation is used to with play the infusion effect, go out liquid end 2 first outer wall integrated into one piece and have snap ring 4, 5 lower half outer walls integrated into one piece of needle file knob have joint shell 10, joint shell 10 is inside to be pegged graft and to have sleeve 9, and the middle part joint has shell fragment 8 on the sleeve 9 inner wall. The needle seat main body 6 is made of PC material, the luer outer conical joint 1 is made of ABS material, the PC and ABS materials have firm synthetic performance, no connecting gap exists, and the appearance is attractive.
Ruhr outer cone connects 1 inner wall and goes out liquid end 2 junction integrated into one piece and has interior oblique screw thread, Ruhr outer cylinder connect 1 inside interior oblique screw thread and outer oblique screw thread 3 identical, joint shell 10 top inner wall joint has the bayonet lock, sleeve 9 top integrated into one piece has the stopper, sleeve 9 top stopper top central authorities have seted up the pinhole, integrated into one piece has anti-skidding line on 5 outer walls of needle file knob and the sleeve 9 outer wall.
The specific using process is as follows: when the device needs to be used, the outer wall of the needle stand knob 5 is manually taken, then the vein needle assembly which is adhered to the external cone joint 1 of the luer is taken out, at the moment, the external inclined thread 3 on the outer wall of the liquid outlet end 5 is matched with the internal thread of the external cone joint 1 of the luer by rotating the needle stand knob 5, the tight fit and the infusion process can be realized, after the rotation is finished, the sleeve 9 is manually pulled down, the elastic sheet 8 on the inner side of the sleeve 9 is contacted with the outer wall of the external cone joint 1 of the luer, the tight connection between the external cone joint 1 of the luer and the liquid outlet end 2 is ensured, the liquid leakage phenomenon is effectively prevented, the whole device has simple structure, convenient operation and stronger, safety and stability in sealing are realized, when the vein needle assembly needs to be replaced or the external cone joint 1 of the luer is unscrewed, the sleeve 9 is manually pushed upwards, the top of the sleeve 9 is clamped on the inner wall of the top of the clamping shell 10, the elastic sheet 8 retracts, and the elastic sheet 8 is separated from the external cone joint 1, then the needle seat knob 5 is rotated reversely to realize the separation of the luer outer cone joint and the liquid outlet end 2.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A needle holder with inclined threads is characterized by comprising: luer outer cone connects, outer oblique screw thread, needle file main part, joint shell, needle file main part top integrated into one piece has the feed liquor end, needle file main part bottom integrated into one piece has a liquid end, needle file main part middle part outer wall integrated into one piece has the needle file knob, it has outer oblique screw thread to go out liquid end outer wall integrated into one piece, it has luer outer cone to go out liquid end outer wall through outer oblique screw thread joint, it has the snap ring to go out first outer wall integrated into one piece of liquid end, needle file knob lower half outer wall integrated into one piece has the joint shell, the inside grafting of joint shell has the sleeve, the middle part joint has the shell fragment on the sleeve inner wall.
2. A tapered threaded needle mount as defined in claim 1 wherein: an inner oblique thread is integrally formed at the joint of the inner wall of the luer outer cylindrical joint and the liquid outlet end, and the inner oblique thread inside the luer outer cylindrical joint is matched with the outer oblique thread.
3. A tapered threaded needle mount as defined in claim 1 wherein: the inner wall of the top of the clamping shell is clamped with a clamping pin.
4. A tapered threaded needle mount as defined in claim 1 wherein: the sleeve top integrated into one piece has the stopper, sleeve top stopper top center has seted up the pinhole.
5. A tapered threaded needle mount as defined in claim 1 wherein: and anti-skid lines are integrally formed on the outer wall of the needle seat knob and the outer wall of the sleeve.
CN202121267527.2U 2021-06-08 2021-06-08 Needle seat with inclined threads Expired - Fee Related CN215840901U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121267527.2U CN215840901U (en) 2021-06-08 2021-06-08 Needle seat with inclined threads

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121267527.2U CN215840901U (en) 2021-06-08 2021-06-08 Needle seat with inclined threads

Publications (1)

Publication Number Publication Date
CN215840901U true CN215840901U (en) 2022-02-18

Family

ID=80314446

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202121267527.2U Expired - Fee Related CN215840901U (en) 2021-06-08 2021-06-08 Needle seat with inclined threads

Country Status (1)

Country Link
CN (1) CN215840901U (en)

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Granted publication date: 20220218